令⊕和⊙分别表示“异或”和“异或”运算。以下哪个布尔表达式与给定表达式等效?
(A ⊕ B)(C ⊙ D) + (A ⊙ B)(C ⊕ D)
(A) A⊙B⊙C⊙D
(B) A⊕B⊙C⊕D
(C) A⊙B⊕C⊙D
(D) A⊕B⊕C⊕D答案: (D)
解释:
= (A ⊕ B)(C ⊙ D) + (A ⊙ B)(C ⊕ D)
= (A ⊕ B)(C ⊕ D)' + (A ⊕ B)'(C ⊕ D)
= (A ⊕ B) ⊕ (C ⊕ D)
= A ⊕ B ⊕ C ⊕ D
选项(D)是正确的。
这个问题的测验